2014-07-14 20:02:47 +02:00

177 lines
4.9 KiB
C++

/*
* Copyright 2008 by Aaron Seigo <aseigo@kde.org>
* Copyright 2009 Marco Martin <notmart@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef PLASMA_FRAMESVG_P_H
#define PLASMA_FRAMESVG_P_H
#include <QHash>
#include <QCache>
#include <QStringBuilder>
#include <QDebug>
#include <Plasma/Theme>
namespace Plasma
{
class PLASMA_EXPORT FrameData
{
public:
FrameData(FrameSvg *svg, const QString &p)
: prefix(p),
enabledBorders(FrameSvg::AllBorders),
frameSize(-1, -1),
topHeight(0),
leftWidth(0),
rightWidth(0),
bottomHeight(0),
topMargin(0),
leftMargin(0),
rightMargin(0),
bottomMargin(0),
noBorderPadding(false),
stretchBorders(false),
tileCenter(false),
composeOverBorder(false)
{
ref(svg);
}
FrameData(const FrameData &other, FrameSvg *svg)
: prefix(other.prefix),
enabledBorders(other.enabledBorders),
cachedMasks(MAX_CACHED_MASKS),
frameSize(other.frameSize),
topHeight(0),
leftWidth(0),
rightWidth(0),
bottomHeight(0),
topMargin(0),
leftMargin(0),
rightMargin(0),
bottomMargin(0),
noBorderPadding(false),
stretchBorders(false),
tileCenter(false),
composeOverBorder(false)
{
ref(svg);
}
~FrameData();
void ref(FrameSvg *svg);
bool deref(FrameSvg *svg);
bool removeRefs(FrameSvg *svg);
bool isUsed() const;
int refcount() const;
QString prefix;
FrameSvg::EnabledBorders enabledBorders;
QPixmap cachedBackground;
QCache<QString, QRegion> cachedMasks;
static const int MAX_CACHED_MASKS = 10;
QSize frameSize;
//measures
int topHeight;
int leftWidth;
int rightWidth;
int bottomHeight;
//margins, are equal to the measures by default
int topMargin;
int leftMargin;
int rightMargin;
int bottomMargin;
//measures
int fixedTopHeight;
int fixedLeftWidth;
int fixedRightWidth;
int fixedBottomHeight;
//margins, are equal to the measures by default
int fixedTopMargin;
int fixedLeftMargin;
int fixedRightMargin;
int fixedBottomMargin;
//size of the svg where the size of the "center"
//element is contentWidth x contentHeight
bool noBorderPadding : 1;
bool stretchBorders : 1;
bool tileCenter : 1;
bool composeOverBorder : 1;
QHash<FrameSvg *, int> references;
};
class PLASMA_EXPORT FrameSvgPrivate
{
public:
FrameSvgPrivate(FrameSvg *psvg)
: q(psvg),
cacheAll(false),
overlayPos(0, 0)
{
}
~FrameSvgPrivate();
QPixmap alphaMask();
void generateBackground(FrameData *frame);
void generateFrameBackground(FrameData *frame);
QString cacheId(FrameData *frame, const QString &prefixToUse) const;
void cacheFrame(const QString &prefixToSave, const QPixmap &background, const QPixmap &overlay);
void updateSizes() const;
void updateNeeded();
void updateAndSignalSizes();
QSizeF frameSize(FrameData *frame) const;
void paintBorder(QPainter& p, FrameData* frame, Plasma::FrameSvg::EnabledBorders border, const QSize& originalSize, const QRect& output) const;
void paintCorner(QPainter& p, FrameData* frame, Plasma::FrameSvg::EnabledBorders border, const QRect& output) const;
void paintCenter(QPainter& p, FrameData* frame, const QSize& contentSize, const QSize& fullSize);
static QString borderToElementId(Plasma::FrameSvg::EnabledBorders borders);
static QRect sectionRect(FrameData* frame, Plasma::FrameSvg::EnabledBorders borders, const QRect& contentRect);
QRect contentGeometry(FrameData* frame, const QSize& size) const;
Types::Location location;
QString prefix;
//sometimes the prefix we requested is not available, so prefix will be emoty
//keep track of the requested one anyways, we'll try again when the theme changes
QString requestedPrefix;
FrameSvg *q;
bool cacheAll : 1;
QPoint overlayPos;
QHash<QString, FrameData *> frames;
static QHash<ThemePrivate *, QHash<QString, FrameData *> > s_sharedFrames;
};
}
#endif